docs: def com_google_fonts_check_metadata_valid_post_script_name_values(font_metadata,
                                                                    font_familynames):
    """METADATA.pb font.post_script_name field
       contains font name in right format?
    """
    for font_familyname in font_familynames:
      psname = "".join(str(font_familyname).split())
      if psname in "".join(font_metadata.post_script_name.split("-")):
        yield PASS, ("METADATA.pb postScriptName field"
                     " contains font name in right format.")
      else:
        yield FAIL, ("METADATA.pb postScriptName (\"{}\")"
                     " does not match correct font name format (\"{}\")."
                     "").format(font_metadata.post_script_name,
                                font_familyname)